Scientists can’t know precisely when a volcano is about to erupt, but they can sometimes pick up telltale warning signs ...

That happened two years ago with the world's largest active volcano. About two months before Mauna Loa spewed ... Later, researchers collected samples of volcanic rock for analysis.

About two months before Mauna Loa spewed rivers of glowing orange molten lava, geologists detected small earthquakes nearby ...

That happened two years ago with the world’s largest active volcano. About two months before Mauna Loa spewed ... Later, researchers collected samples of volcanic rock for analysis.

World's Largest Active Volcano Mauna Loa Showed ... brittle surface rock and became lava – and the eruption began in late November 2022. Later, researchers collected samples of volcanic rock ...